Most operating systems perform these tasks. coordinating the interaction between hardware and software allocating RAM to open programs creating and maintaining the FAT modifying word processing documents correcting spreadsheet formulas displaying the GUI

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Answer:

The answer are A.) Coordinating the interaction between hardware and software And B.) Allocating RAM to open programs

Explanation:

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Tasks that are been performed by most operating systems are;

  • Coordinating the interaction between hardware and software.
  • Allocating RAM to open programs.

An operating system can be regarded as system software which helps in running of computer hardware as well as software resources and mange them.

This system provides common services for computer programs.

It should be noted that  operating system coordinating the interaction between hardware as well software.

Therefore, operating system, allocate RAM to open programs.

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